Two concise and high-yielding diastereoselective syntheses of 4-aryl-3-methyl-4-piperidinemethanols were realized from 1,3-dimethyl-4-piperidinone. The key reactions to control the C3-C4 relative stereochemistry were the alkoxymethylation of a metalloenamine generated from 4-aryl-3-methyl-1,2,3,6-tetrahydropyridine that afforded the (3R*,4S*)-form and the nucleophilic substitution of a fluoroarene with deprotonated 3-methyl-4-piperidinenitrile giving the (3R*,4R*)-isomer. The corresponding fluoromethyl analogues were subsequently obtained through the fluorination of the piperidinemethanols using DAST.
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Indian Inst Chem Technol, Div Organ Chem, Biotransform Lab, Hyderabad 500007, Andhra Pradesh, IndiaIndian Inst Chem Technol, Div Organ Chem, Biotransform Lab, Hyderabad 500007, Andhra Pradesh, India
Kamal, Ahmed
Shaik, Ahmad Ali
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Indian Inst Chem Technol, Div Organ Chem, Biotransform Lab, Hyderabad 500007, Andhra Pradesh, IndiaIndian Inst Chem Technol, Div Organ Chem, Biotransform Lab, Hyderabad 500007, Andhra Pradesh, India
Shaik, Ahmad Ali
Sandbhor, Mahendra
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Indian Inst Chem Technol, Div Organ Chem, Biotransform Lab, Hyderabad 500007, Andhra Pradesh, IndiaIndian Inst Chem Technol, Div Organ Chem, Biotransform Lab, Hyderabad 500007, Andhra Pradesh, India
Sandbhor, Mahendra
Malik, M. Shaheer
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Indian Inst Chem Technol, Div Organ Chem, Biotransform Lab, Hyderabad 500007, Andhra Pradesh, IndiaIndian Inst Chem Technol, Div Organ Chem, Biotransform Lab, Hyderabad 500007, Andhra Pradesh, India
Malik, M. Shaheer
Azeeza, Shaik
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Indian Inst Chem Technol, Div Organ Chem, Biotransform Lab, Hyderabad 500007, Andhra Pradesh, IndiaIndian Inst Chem Technol, Div Organ Chem, Biotransform Lab, Hyderabad 500007, Andhra Pradesh, India
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Indian Inst Chem Technol, Div Organ Chem, Biotransformat Lab, Hyderabad 500007, Andhra Pradesh, IndiaIndian Inst Chem Technol, Div Organ Chem, Biotransformat Lab, Hyderabad 500007, Andhra Pradesh, India
Kamal, A
Shaik, AA
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机构:Indian Inst Chem Technol, Div Organ Chem, Biotransformat Lab, Hyderabad 500007, Andhra Pradesh, India
Shaik, AA
Sandbhor, M
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机构:Indian Inst Chem Technol, Div Organ Chem, Biotransformat Lab, Hyderabad 500007, Andhra Pradesh, India
Sandbhor, M
Malik, MS
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Malik, MS
Kaga, H
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机构:Indian Inst Chem Technol, Div Organ Chem, Biotransformat Lab, Hyderabad 500007, Andhra Pradesh, India
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Indian Inst Chem Technol, Organ Div 3, Hyderabad 500007, Andhra Pradesh, IndiaIndian Inst Chem Technol, Organ Div 3, Hyderabad 500007, Andhra Pradesh, India
Jayachitra, G.
Anchoori, Ravi Kumar
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Indian Inst Chem Technol, Organ Div 3, Hyderabad 500007, Andhra Pradesh, IndiaIndian Inst Chem Technol, Organ Div 3, Hyderabad 500007, Andhra Pradesh, India
Anchoori, Ravi Kumar
Rao, B. Venkateswara
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Indian Inst Chem Technol, Organ Div 3, Hyderabad 500007, Andhra Pradesh, IndiaIndian Inst Chem Technol, Organ Div 3, Hyderabad 500007, Andhra Pradesh, India